22331043 has 12 divisors (see below), whose sum is σ = 36864048. Its totient is φ = 12760560.

The previous prime is 22331039. The next prime is 22331053. The reversal of 22331043 is 34013322.

It is not a de Polignac number, because 22331043 - 2² = 22331039 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22331003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 177168 + ... + 177293.

It is an arithmetic number, because the mean of its divisors is an integer number (3072004).

Almost surely, 2^22331043 is an apocalyptic number.

22331043 is a deficient number, since it is larger than the sum of its proper divisors (14533005).

22331043 is a wasteful number, since it uses less digits than its factorization.

22331043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354474 (or 354471 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 22331043 is about 4725.5732985533. The cubic root of 22331043 is about 281.6023896994.

Adding to 22331043 its reverse (34013322), we get a palindrome (56344365).

The spelling of 22331043 in words is "twenty-two million, three hundred thirty-one thousand, forty-three".